2.2.3 Mermaid 类图（classDiagram）
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
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int key = arr[i];
Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.
Container egress filtering uses nftables rules inside the container. A root process with cap_net_admin could bypass these rules. The pixel user has restricted sudo that only permits safe-apt, dpkg-query, systemctl, journalctl, and nft list.